<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>文本域输入框的美化处理</title>

    <style>
        /* 取消输入框锁定的轮廓颜色 */
        
        input {
            outline: none;
        }
        
        textarea {
            padding: 10px;
            outline: none;
            resize: none;
        }
    </style>

</head>

<body>
    <input type="text">
    <textarea cols="30" rows="10"></textarea>
</body>

</html>